Home GPU Comparison AMD Radeon RX 580 vs AMD Radeon HD 7950 Boost

AMD Radeon RX 580 vs AMD Radeon HD 7950 Boost

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 and 3GB VRAM Radeon HD 7950 Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 's Advantages
Released 4 years and 10 months late
Boost Clock has increased by 45% (1340MHz vs 925MHz)
More VRAM (8GB vs 3GB)
Larger VRAM bandwidth (256.0GB/s vs 240.0GB/s)
512 additional rendering cores
Lower TDP (185W vs 200W)

Score

Benchmark

FP32 (float)
Radeon RX 580 +86%
6.175 TFLOPS
Radeon HD 7950 Boost
3.315 TFLOPS
VS

Graphics Card

Apr 2017
Release Date
Jun 2012
Polaris
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1257 MHz
Base Clock
850 MHz
1340 MHz
Boost Clock
925 MHz
2000 MHz
Memory Clock
1250 MHz

Memory

8GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
256.0GB/s
Bandwidth
240.0GB/s

Render Config

36
Compute Units
28
-
-
-
2304
Shading Units
1792
144
TMUs
112
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
768 KB
-
-
-

Theoretical Performance

42.88 GPixel/s
Pixel Rate
29.60 GPixel/s
193.0 GTexel/s
Texture Rate
103.6 GTexel/s
6.175 TFLOPS
FP16 (half)
-
6.175 TFLOPS
FP32 (float)
3.315 TFLOPS
385.9 GFLOPS
FP64 (double)
828.8 GFLOPS

Board Design

185W
TDP
200W
450 W
Suggested PSU
550 W
1x HDMI 2.0b 3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 8-pin
Power Connectors
2x 6-pin

Graphics Processor

Polaris 20
GPU Name
Tahiti
Polaris 20 XTX (215-0910038)
GPU Variant
Tahiti PRO2 (215-0821282)
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
4.313 billion
232 mm²
Die Size
352 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.4
Shader Model
5.1

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